Biomira Says No Deal Brewing,
Despite Rumors About Gates

Shares of Biomira , a Canadian biotechnology company, have seen more action in the past two weeks than they have all year.

First, the stock surged on news that it is beginning late-stage clinical trials of its key drug, Theratope, a therapeutic cancer vaccine it is developing along with Chiron . Now, the stock is climbing again amid speculation in online discussion groups that Biomira may be in play. The rumored buyer: Microsoft 's...